Pouring and lifting device



April 10, 192& 1,665,452

M. W. GOLDBERG POURING AND LIFTING DEVICE Filed Sept. 7. 1926 3 Sheets-Sheet2 & 1NV ENT0-RL' ATTORNEYS.

April 10, 192& 1,665,452

M. W. GOLDBERG POURING AND LIFTING DEVICE Filed Sept. '7. 1926 3 Sheets-Sheet 3 f INVENTOR. MM 1644 BY 7 744 44M zqmwz A TTORNEYS.

Patented Apr. 10, 1928.

UNITED STATES MAX W. GOLDBERG, OF PORT WASHINGTON, WISCONSIN, ASSIGNOR'TO MODERN POUR- ING DEVICE 00., OF PORT WA$I-IINGTON, YVISCONSIN, A. CORPORATION OF WIS- CON SIN.

Application filed September My invention has relation to improvements in pouring and lifting devices of that type wherein the apparatus is moved along a rail so as to convey a load from one polnt to another.

The primary object of the invention is to provide a construction not only adaptable for raising the ladle and for conveying the said ladle containing molten metal from a point where the ladle is filled, to a point of discharge, but furthermore adapted to provide for the ready removal of the ladle and the attachment of the apparatus to a load to be lifted and transported, such as castings, molds and the like, the construction 25 object, the provision of means whereby the load may be lowered instantaneously or slowly as desired.

The invention furthermore contemplates extreme accuracy of control, which is so essential in apparatuses of this character.

Vith the above primary objects, and other incidental objects in View, the invention consists of the device and parts, or the equivalents thereof as hereinafter more fully pointed out.

In the accompanying drawings,

Fig. 1 is an elevation of the complete device for use in connection with a ladle for transporting and pouring molten metal and other loads;

Fig. 2 is a fragmentary elevation of the opposite side of the apparatus to that shown in Figure 1;

Fig. 3 is a fragmentary elevation at right angles to Fig. 2;

Fig. 4 is a longitudinal sectional view on the line 4l4' of Fig. l; and

Fig. 5 is a vertical sectional view on the line 5 5 of Fig. 4.

Referring to the drawings, the numeral 6 indicates a hail, the extremities of the 7, 1926. Serial No. 133,98

side arms thereof being formed into bearings 77.

Connected to the horizontal armof' the bail, and extending upwardlytherefrom, is a yoke 8.

The numeral 9 indicates a vertical rack bar. The lower untoothed portion of this bar extends freely through an opening in a portion 10 of the casting, and from belowthe casting, the rack bar is circular in cross section, and passes through an opening in the horizontal member of the'yoke' 8. The lower extremity of this rounded portion of the rack bar is threaded to receive a nut 11, awasher 12 being interposed between the upper side of saidnut and the underside of the horizontal member of the yoke. By this arrangement, the yoke may be circularly adjusted upon the rounded extremity of the rack bar, simply by loosening the nut, when the desired adjustment is obtained, the nut of course is again tightened. hen the yoke, through said adjustment, is turned, of course, the bail 6, and the load carried thereby are turned therewith.

The upper end of the rack bar carries a roller 18 which is adapted to ride along vertical guide bars 1414', said guide bars extending upwardly from the framework. The numeral 15 indicates a horizontal shaft, mounted in the-bearing portions 16 and 17 of the frame 10;

Fast on the shaft 15, and preferably keyed. thereto, is a ratchet wheel 18. A sleeve 16 which is free to turn on the shaft 15, has,

rod 22, the lower end of said rod being in l the form of a pawl 23 which normally engages the teeth of the ratchet wheel 18,and is held in normal engagement with said" teeth by means of a coiled spring 24 surrounding the rod 22, and having its lower end bearing against the pawl, and its upper end bearing against a sleeve 25 fitted in the upper end of the recess 21, said sleeve loosely surrounding the rod 22.

Extending upwardly from the extension 19 is astandard 26, to the upper end of which is pivoted a bell-crank lever 27, To

' depressed so as to raise the pawl 23 outof engagement with the teeth of the wheel 18, the stop finger 31 is turned to the position shown in Fig. 1, and in such position, the recess 32 of said stop finger is brought into engagement with a pin 33 extending laterally from an arm 34 of, the framework. In this manner, the pawl is maintained temporarily out of engagement with the i ratchet wheel 18, when desired ill) . Mounted fast on the shaft 15 at an inter mediate point thereof is a toothed wheel 35 which is so positioned as to engage with the teeth of the rack bar 9.

Also mounted fast on the shaft 15 is a ratchet wheel 36. .A sleeve 17 loose onthe shaft 15 has formed integrally therewith a brake drum 37. Extending laterally inwardly from the side of this drum are pins 38,

preferably three in number, and upon each of these pins is mounted a spring-pressed pawl 39. The periphery of the brake drum is spaced from and surrounds the. ratchet wheel 36, and the pawls 39. band 40 is passed around the periphery of the brake drum. A plate 41 riveted to one end of this brake band, is provided with a reduced tongue 42, which is looped around a pin 43 extending laterally from and preterably integral with the casting. The opposite end of the brake band has also connected thereto, a plate 44, which is formed with a projecting tongue 45, circular in cross section. This tongue passes through an opening in an arm 46, oivotally mounted upon andextcnding upwardly from the pin 43. The tongue 45 on each side oi arm 46, carries nuts 47 and Washers 48, whereby the tongue is-prevented from pulling out of the opening of the arm 46. y The upper end of the arm. 46 is slotted, and a lever 49 passes through the slot and fulcrums on the lower edge of said slot. One end of this lever is preferably bent upwardly at an incline to form a handle portion, and the A brake these trunnions is extended outwardly be- 'yond the bearing, and is then bent upwardly at an angle to form a handle 57. WVhen this handle is turned, it is obvious that the ladle is tilted to a position to discharge its contents, i V

.A cross pin 59 is mounted in the upper ends of the vertical guide bars 14, and connected to this pin is a hook 59, upon which the entire device is adapted to swivel.

The parts or elements which go to make up the brake mechanism have already been described. The operation of this brake mech-' anism is as follows: The weight on the lever 49 normally holds the parts in such position that the brake band is tightly en-- gaging the periphery of the brake drum, in order to hold said brake drum against the rotation. When itis desired to decrease the extent of the frictional contact of the brake band with the periphery of the brake drum, the bent end 01 the lever 49 is depressed by hand against the contrary force exerted by the weight 50, The depression of said lever will cause a turning of the arm 46 on the pin 48 in a direction to loosen the brake band, and thereby relieve the frictional contact of said band, and the extent of the relieving of the frictional contact is of course readily regulated by the extent to which the lever 49 is depressed. When pressure on the lever 49 is removed, the brake band is automatically brought into effective braking operation by reason of .the weight 50 turning the lever 49 back to its normal position, and in which I position, the brakeband is pulled into firm engagement with the periphery of the brake drum. I

In the 'use 01 the apparatus, the hook 59- is engaging a carriage (not shown) adapted to travel along an upper head support or track (also not shown). If the apparatus is to be used for conveying a ladle containing molten metal, the said ladle connected to the bail 6 in the manner hereinbetore describeda The carriage from which the apparatus is suspended is then caused to travel along the track to a pomt where the ladle is tobe filled with the molten metal. After the filling operation, the apparatus is then caused to travel to a pointconvenient for filling the molds. In view of the fact that thedevice is swiveled on the book 59, it is" obvious that said device can be turned and the ladle thereby properly positioned for discharge into any desired mold.

If it is desired to vary the weight of the ladle for pouring the metal into molds of different heights, the rack bar 9 is operated to either raise or lower the same. It will be noticed that in Fig. 1, the rack bar is shown as raised to the limit of its upward movement.

If, new, it is desired to lower the ladle, the linger 29 is depressed and this has the ell'ect through the bell crank lever 2'7, of aising the rod 22, which, of course, lifts the attached pawl 23 out oi? engagement with the teeth of the wheel l8.- The pawl 23, having been raised out of engagement with the teeth ol the wheel 18, and the bralre band having been released, the weight of the load will cause adescent of the rack bar, and a consequent rotation of the shaft 15 by reason of the engagement of the teeth of the rack bar wit-lithe tooth wheel 35. Of course,

the ratchet wheel 36 is also rotated with the shaft, and the direction of rotation is counter-clockwise as indicated by the arrow Figure 5. In view of the fact that the brake band has been adjusted to a non-braking position, the brake drum 37 is also rotated with the ratchet wheel 36, by reason oftlie looking engagement. effected by the pawls, 39.

After the ladle has been lowered, as described, and it is desired to again raise the said ladle, the lever 20 is operated in a reverse direction, or in other words turned downwardly, and this has the effect of turning the sleeve 16 in a direct-ion to cause the pawl 23 to act on a teeth of the wheel 18 and: partially rotate said wheel and the shaft 15. At the same time, of course, the toothed wheel 35 and the ratchet wheel 36 are also rotated. The direction of rotation in this instance is clockwise, and hence the ratchet wheel 36 will slipby the pawls 39, which are held in a relatively fixed position by the brake drum, the brake band having been previously tightly adjusted around the periphery of the brake drum.

The next successive movement is the raising of the lever 20. This will cause-a turning or" the member 19 in a direction to per wit the pawl 23 to ride over the teeth of the wheel 18, without imparting rotation to said wheel, and necessarily without rotation to the shaft 15. On this up movement of the lever 20, the shaft is held against rotation in a direction to permit of the descent of the load by reason of the engagement of the pawls 39 with the teeth of the toothed wheel 36, the brake drum itself being held stationary by the tight adjustment of the brake band 40.

It will be noticed that each pawl 39 is held yieldingly in engaging position by spring pressure, the spring for each pawl being indicated by the numeral 60.

Whenever it is desired to maintain the pawl 23 out of engagement with the teeth of the wheel 18, the stop linger 31 is swung to a position where its recess engages the pin 33. Of course, after this adjustment, and when it is desired to again permit the pawl 23 to engage the teeth of the atchet wheel 18, all that is necessary to be done is to swing the stop linger 3]. in a reverse direction so as to bring its recess out of engagement with the pin 33. v

From the foregoiiig description, it will be seen that I provide a positively operating device which is adapted to be raised and lowered and transported from one point to another, the operation being accomplished quickly and easily.

Also by the particular censuruction dc scribed, the liltingand carrying capacity of the apparatus is greatly increased, and the service of only one man is necessary in carrying out the successtul operation of the device, aud this one man in the handling of the apparatus, is able to accomplish more work in a given time, than has heretofore been possible even where several operators were employed.

If it is desired to use the apparatus for transporting castings, molds and the like, it takes but a halt minute to remove the ladle and its ring and the trunnions and to attach the bail 6, to the other articles to be transported. For instance, it can be used for the purpose'of shaking out any reasonable size mold by placing a bar in the loops of the bail G, and suspending from said bar: a device which will engage the mold. The apparatus can then be transported to the desired point, and then caused to move repeatedly upwardly and downwardly so as to shakev out the mold.

What I claim as my invention is: 1. In a pouring and lifting device, the combination of load carrying mechanism, a 'aclr bar to which the load carrying mechanism is connected, a shaft, a ratchet wheel mounted. 'last on the shaft, a toothed wheel also mounted fast on the shaft and engaging the rack bar, another ratchet wheel mounted fast on the shalt, sleeves loosely surrounding the shaft, one of said sleeves formed with an extension provided with a recess, and the other of said sleeves l ormcd with a brake drum, a spririg-actuated rod extending into the recess of the extension of the first referredjto sleeve, the inner end of said rod;

provided with a pawl normally engaging the teeth of the ratchet wheel with which it cooperates, a finger turnably mounted, but non vertically movable on the rod, a pin with which said finger is adapted to be swung into engagement whereby the pawl is held out of engagement with this ratchet wheel, a spring-pressed pawl extending laterally from the side of the brake drum and engaging the ratchet wheel with which it cooperates, the periphery of the brake drum sur- &

rounding this ratchet wheel and the pawl, an upright arm, a pin uponwhich said upright arm is movably mounted, a weighted lever fulcrumed on the upright arm, and a brake band surrounding the periphery of the brake drum and having one end fast, and its opposite end secured to the upright arm.

2. In a pouring and lifting device, the Combination of load carrying mechanism, a rack bar connected to the load carrying mechanism, a shaft, a toothed wheel fast on the shaft and engaging the rack bar, means for rotating the shaft in a direction to cause the toothed wheel to raise the rack bar and thereby lift the load carrying mechanism, and to permit of the rotation. of the shaft in the opposite direction to allow for the descent by gravity, of the rack bar and its load, a ratchet wheel mounted fast on the shaft, a brake drum mounted loosely on the shaft, a. pawl pivoted to the brake drum and engaging the teeth of the ratchet wheeha brake band surrounding the brake drum, and means for controlling the degree of engagement of theibrake band with the brake drum, whereby upon the release of the brake band and the descent of the load by gravity, the loose brake drum will rotate with the ratchet wheel through engagement of the pawl with the ratchet wheel, and whereby, when the shaft turned in the opposite direction to effect the lifting of the rack bar through the engagement of the toothed wheel with said rack bar, and when the brake band is set, the ratchet wheel will slip by the pawl, the latter being held in a relatively fixedposition, the load carrying mechanism, however, when the shaft is not under rotation, being held against retrograde reverse movement by the engagement of the pawl with the ratchet wheel.

3. A metal pouring device, comprising a portable frame, avertically movable member carried thereby and having means for bold ing a container, means for positively elevating the movable member with respect to the frame, and brake means for holding the movable member in adjusted position and for controlling the lowering of the j movable member by gravity.

i 4-. A metal pouring device, comprising a portableframe, a vertically movable member carried thereby and havingmeans for holding a container, means for positively elevating the movable member with respect to the frame, and abrake drum and brake band means for holding the movable member in adjusted position, and for controlling the lowering of the movable member.

5. A metal pouring device, comprising a portable frame, a vertically'movable member carried thereby and having means for holding a container, means for positively elevating the movable member withrespect to 'theframe, a brake drum and brake band means for holding the movable member in adjusted position and for controllingthe lowering of the movable member, and a counterbalanced lever normally holding said brake band in brakingposition, and causing the release of saidbrake band when the lever is operated. a

6. A metal pouring device, comprising a portable frame having upstanding guide bars, a rack bar interposed between and guided by said bars, and having means for holding a container at its lower end, a shaft j ournaled in the frame, a gear wheel mounted fast on the shaft and in mesh with the teeth of the. rack bar, a brake drunrsurrounding the shaft and having a pawl and ratchet wheel engagement with the shaft, a brake band surrounding said brake drum, and means for operating said brake band.

7 A metal pouring device, comprising a portable frame having upstanding guide bars, a rack bar interposed between and guided by .said bars, and having means for holding a container at its lower, end, a shaft journaled in the frame, a gear wheel mounted fast on the shaft and in mesh with the teeth of the rack bar, a brake drum surrounding the shaft and having a pawl and ratchet wheel engagement with the shaft, a brake band surrounding sald brake drum, anda counterbalanced lever connected to said brake band to normally hold the brake band ture. p

- MAX \V. GOLDBERG. 

